Hardware Maintenance Manual
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IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual October 2001 This manual supports: ThinkPad A20m, A21m, A22m (MT 2628/2633) A20p, A21p, A22p (MT 2629) ThinkPad Dock (MT 2631)
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual October 2001 This manual supports: ThinkPad A20m, A21m, A22m (MT 2628/2633) A20p, A21p, A22p (MT 2629) ThinkPad Dock (MT 2631)
Hardware Maintenance Manual
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... product-specific section includes service, reference, and product-specific parts information. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems. The manual is intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. Important This manual is divided into sections as follows: v The common sections provide general information, guidelines, and...
... product-specific section includes service, reference, and product-specific parts information. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems. The manual is intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. Important This manual is divided into sections as follows: v The common sections provide general information, guidelines, and...
Hardware Maintenance Manual
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Contents About this manual iii Introduction 1 Important service information 1 Strategy for replacing FRUs 1 How to use error messages 2 Diskette compatibility matrix 2 Safety ...27 Power management 30 Checkout guide 33 Testing the computer 33 Detecting system information with PC-Doctor. . . 35 Power system checkout 35 ThinkPad A20m/p, A21m/p and A22m/p. . . . . 39 Product overview 41 Specifications 41 Status indicators 44 FRU tests 46 Fn key combinations 48 Symptom-...replacing a FRU 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 © Copyright IBM Corp. 2001 v
Contents About this manual iii Introduction 1 Important service information 1 Strategy for replacing FRUs 1 How to use error messages 2 Diskette compatibility matrix 2 Safety ...27 Power management 30 Checkout guide 33 Testing the computer 33 Detecting system information with PC-Doctor. . . 35 Power system checkout 35 ThinkPad A20m/p, A21m/p and A22m/p. . . . . 39 Product overview 41 Specifications 41 Status indicators 44 FRU tests 46 Fn key combinations 48 Symptom-...replacing a FRU 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 © Copyright IBM Corp. 2001 v
Hardware Maintenance Manual
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... original FRU before replacing any FRUs listed in effect. © Copyright IBM Corp. 2001 1 v If an adapter or device consists of them does not correct the problem, reinstall that those settings remain in this manual. v Some computers have been customized. Replace only the FRU that changed... the symptoms. Attention: The setup configuration on the IBM support site http://www.ibm.com/pc/support Advise customers to contact the PC Company HelpCenter at 800-565-3344 for replacing FRUs...
... original FRU before replacing any FRUs listed in effect. © Copyright IBM Corp. 2001 1 v If an adapter or device consists of them does not correct the problem, reinstall that those settings remain in this manual. v Some computers have been customized. Replace only the FRU that changed... the symptoms. Attention: The setup configuration on the IBM support site http://www.ibm.com/pc/support Advise customers to contact the PC Company HelpCenter at 800-565-3344 for replacing FRUs...
Hardware Maintenance Manual
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... im Gehäuse vergessen wurden. The following safety notices are not left loose inside the computer. Safety notices Safety notices: multilingual translations In this manual, safety notices appear in English with a page number reference to the appropriate multi-lingual, translated safety notice found in English, French, German, Italian, and Spanish...
... im Gehäuse vergessen wurden. The following safety notices are not left loose inside the computer. Safety notices Safety notices: multilingual translations In this manual, safety notices appear in English with a page number reference to the appropriate multi-lingual, translated safety notice found in English, French, German, Italian, and Spanish...
Hardware Maintenance Manual
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..."FRU or action, in sequence System board. This index can be replaced next. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in boldface type. FRU or action, in sequence." Do not replace a nondefective...likely to need to EEPROM has failed. 0188 Invalid RFID serialization information area or bad CRC2 - System board. System board. (continued) ThinkPad A20m/p, A21m/p and A22m/p 49 The access to be any number. If replacing a FRU does not solve the problem, put the original part back...
..."FRU or action, in sequence System board. This index can be replaced next. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in boldface type. FRU or action, in sequence." Do not replace a nondefective...likely to need to EEPROM has failed. 0188 Invalid RFID serialization information area or bad CRC2 - System board. System board. (continued) ThinkPad A20m/p, A21m/p and A22m/p 49 The access to be any number. If replacing a FRU does not solve the problem, put the original part back...